|
Statistical methods |
||||||||
| BMJ |
BJGP |
Family Practice |
Overall |
|||||
|
|
||||||||
| Methods |
n |
(%) |
n |
(%) |
n |
(%) |
n |
(%) |
|
|
||||||||
| No statistics or simple summaries |
23 |
(29.1) |
47 |
(32.4) |
33 |
(40.7) |
103 |
(33.8) |
| Chi-squared tests |
13 |
(16.5) |
40 |
(27.6) |
19 |
(23.5) |
72 |
(23.6) |
| t-tests |
7 |
(8.9) |
22 |
(15.2) |
17 |
(21.0) |
46 |
(15.1) |
| Logistic regression |
14 |
(17.7) |
19 |
(13.1) |
11 |
(13.6) |
44 |
(14.4) |
| Nonparametric |
11 |
(13.9) |
24 |
(16.6) |
4 |
(4.9) |
39 |
(12.8) |
| Odds ratios/relative risks |
11 |
(13.9) |
13 |
(9.0) |
14 |
(17.3) |
38 |
(12.5) |
| Regression |
9 |
(11.4) |
10 |
(6.9) |
11 |
(13.6) |
30 |
(9.8) |
| Sample size/power |
6 |
(7.6) |
17 |
(11.7) |
3 |
(3.7) |
26 |
(8.5) |
| Summaries with CIs |
9 |
(11.4) |
3 |
(2.1) |
6 |
(7.4) |
18 |
(5.9) |
| Kappa |
2 |
(2.5) |
9 |
(6.2) |
4 |
(4.9) |
15 |
(4.9) |
| Sensitivity/specificity |
4 |
(5.1) |
10 |
(6.9) |
1 |
(1.2) |
15 |
(4.9) |
| Pearson correlation |
2 |
(2.5) |
6 |
(4.1) |
6 |
(7.4) |
14 |
(4.6) |
| Multiple comparisons |
2 |
(2.5) |
4 |
(2.8) |
4 |
(4.9) |
10 |
(3.3) |
| ANOVA |
5 |
(6.3) |
4 |
(2.8) |
9 |
(3.0) |
||
| Mantel-Haenszel |
1 |
(1.3) |
5 |
(3.4) |
2 |
(2.5) |
8 |
(2.6) |
| Random effects models |
4 |
(5.1) |
4 |
(2.8) |
8 |
(2.6) |
||
| Cronbach's alpha |
1 |
(1.3) |
5 |
(3.4) |
1 |
(1.2) |
7 |
(2.3) |
| Fisher's exact test |
7 |
(4.8) |
7 |
(2.3) |
||||
| Likelihood ratio |
3 |
(3.8) |
3 |
(2.1) |
6 |
(2.0) |
||
| Survival analysis |
6 |
(7.6) |
6 |
(2.0) |
||||
| Other |
4 |
(5.1) |
37 |
(25.2) |
10 |
(12.3) |
51 |
(16.7) |
| Total articles |
79 |
145 |
81 |
305 |
||||
|
Notes CIs = confidence intervals. ANOVA = analysis of variance. | ||||||||
Rigby et al. BMC Medical Research Methodology 2004 4:28 doi:10.1186/1471-2288-4-28 |
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